Q: Is 261,237 a Prime Number?
A: No, 261,237 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 261237 can be evenly divided by 1 3 31 53 93 159 1,643 2,809 4,929 8,427 87,079 and 261,237, with no remainder.
Since 261,237 cannot be divided by just 1 and 261,237, it is not a prime number.